--- a/zrtp/EmojiBase32.cpp
+++ b/zrtp/EmojiBase32.cpp
@@ -4,6 +4,7 @@
 #include <iostream>
 // stdlib.h required for Android NDK builds, not included within the above includes
 #include <cstdlib>
+#include <cstdint>
 
 #include <libzrtpcpp/EmojiBase32.h>